— I don’t understand why you didn’t go to the lecture yesterday afternoon.—I’m so sorry. But I _________ my homework. 
#100590
A
had done
B
was doing
C
would do
D
am doing
推荐题目
—   my glasses?—Yes,I saw them on your bed a minute ago.
#103936
A
Do you see
B
Had you seen
C
Would you see
D
Have you seen
  I don’t know if he ____ us; if he ____, I’ll let you know.
#103662
A
will come and help; comes
B
comes and helps; will come
C
will come and help; will come
D
comes and helps; comes